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Keywords: CFD
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Proceedings Papers

Proc. ASME. ICEF2021, ASME 2021 Internal Combustion Engine Division Fall Technical Conference, V001T06A013, October 13–15, 2021
Paper No: ICEF2021-74466
... and main NG injection. A relevant Computational Fluid Dynamics (CFD) simulation environment is setup for this NG Natural Gas purpose. It is observed that the main NG injection needs a certain pilot trigger to ignite. Furthermore, local conditions are RIT Relative Injection Timing derived to investigate...
Proceedings Papers

Proc. ASME. ICEF2021, ASME 2021 Internal Combustion Engine Division Fall Technical Conference, V001T01A004, October 13–15, 2021
Paper No: ICEF2021-67851
... computational fluid dynamics (CFD) analysis. Simulations TPRF Toluene Primary Reference Fuel were carried out on a single cylinder of a multi-cylinder heavy-duty compression ignition engine. The engine operates at 1. INTRODUCTION a speed of 1038 rev/min., and a compression ratio of 17. In- Internal combustion...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T02A005, November 4–6, 2020
Paper No: ICEF2020-2971
... pressure were used to obtain optimal operating conditions. Stable engine operation was obtained on all test blends. A combination of computational fluid dynamics (CFD) and analysis of chemical species and reaction mechanisms is used to develop an engine and combustion model. This model allows for further...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T06A004, November 4–6, 2020
Paper No: ICEF2020-2922
...A TRANSPORTED LIVENGOOD-WU INTEGRAL MODEL FOR KNOCK PREDICTION IN CFD SIMULATION Zongyu Yue1 Tianjin University and Argonne National Laboratory Tianjin, China Chao Xu, Sibendu Som Argonne National Laboratory Lemont, IL C. Scott Sluder, K. Dean Edwards Oak Ridge National Laboratory Knoxville, TN...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T03A016, November 4–6, 2020
Paper No: ICEF2020-3035
... was focused on using an early intake valve closing (EIVC) approach by carrying out closed-cycle, 3-D CFD combustion simulations coupled with 1-D engine cycle analysis. EIVC was shown to be an effective means to lengthen ignition delay and promote partially-premixed combustion by lowering the engine effective...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T06A010, November 4–6, 2020
Paper No: ICEF2020-2959
... to improve its ignitability. Here, CFD studies are carried out to explore the influence of a spray-guided glow plug on the spray and combustion behavior of a GCI engine under cold operating conditions. In a prior study, the underlying CFD model has been validated using experimental data from a six-cylinder...
Proceedings Papers

Proc. ASME. ICEF2020, ASME 2020 Internal Combustion Engine Division Fall Technical Conference, V001T06A011, November 4–6, 2020
Paper No: ICEF2020-2990
... load conditions. As a final task, selected optimized designs were then evaluated under simulated full-load conditions. Keywords: gasoline compression ignition, combustion system design optimization, design of experiments, CFD NOMENCLATURE AHRR Apparent heat release rate AMR Adaptive mesh refinement...
Proceedings Papers

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T06A013, October 20–23, 2019
Paper No: ICEF2019-7281
... mixture stratification in the combustion chamber. In this work, a computational fluid dynamics (CFD) study is carried out to reveal some degrees of correlation between the mixture and thermal stratifications induced by the cylinder wall temperature and combustion-phasing across varying engine load...
Proceedings Papers

Proc. ASME. ICEF2019, ASME 2019 Internal Combustion Engine Division Fall Technical Conference, V001T06A008, October 20–23, 2019
Paper No: ICEF2019-7257
... by hydrogen was simulated. 3D combustion CFD was employed to simulate and optimize the engine combustion. Parametric studies of equivalence ratio were conducted to identify the appropriate range for practical operation. It was found that higher equivalence ratio in H2ICE is not feasible since it exhibits very...
Proceedings Papers

Proc. ASME. ICEF2010, ASME 2010 Internal Combustion Engine Division Fall Technical Conference, 319-328, September 12–15, 2010
Paper No: ICEF2010-35043
... qualitatively with the previous similar experimental and computational studies in the literature. 14 01 2011 Clean Diesel Combustion CFD spray injection parameters narrow angle combustion emissions combustion chamber 1 NUMERICAL STUDY ON A HEAVY DUTY CI ENGINE TO ACHIEVE ULTRA-LOW...
Proceedings Papers

Proc. ASME. ICEF2005, ASME 2005 Internal Combustion Engine Division Fall Technical Conference (ICEF2005), 91-98, September 11–14, 2005
Paper No: ICEF2005-1275
... these modifications, there is a significant change in emission levels. To understand clearly the effect of the combustion chamber geometry on the emission levels, three-dimensional computational fluid dynamics (CFD) simulations have been performed for the complete suction and closed-valve part of the cycle...
Proceedings Papers

Proc. ASME. ICEF2006, ASME 2006 Internal Combustion Engine Division Fall Technical Conference (ICEF2006), 233-244, November 5–8, 2006
Paper No: ICEF2006-1586
... 08 09 2008 An extension to a phenomenological sub-model for soot formation to include soot agglomeration effects is developed. The improved sub-model, consisting of six coupled differential equations, was incorporated into a commercial CFD code and used to investigate soot formation...